JP2013087388A - Method for producing irregularities forming fabrics, irregularities forming fabrics, and product using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method for producing irregularities forming fabrics capable of forming irregularities on a fabric including a polyester fiber without requiring processing at high temperatures over a long period of time.SOLUTION: There is provided a method for producing irregularities forming fabrics having irregularities formed on a polyester fiber-containing fabric including a polyester-containing core-sheath fiber formed of polyolefin as a core portion, and polyester as a sheath portion surrounding the periphery of the core portion. The producing method includes the steps of: (A) heat-treating the polyester fiber-containing fabric; (B) applying force to the polyester fiber-containing fabric to form irregularities thereon; and (C) cooling the polyester fiber-containing fabric. The step (B) is performed according to at least one sequence selected from a group including before the step (A), simultaneously with the step (A), and after the step (A).

Description

  The present invention relates to a method for producing a concavo-convex fabric, a concavo-convex fabric, and a product using the same.

  Polyester fibers are excellent in various properties such as durability and water repellency, and thus are used in a wide range of applications.

  In particular, the polyester fiber is suitable for fabric products such as clothing. For example, a polyester fiber has a characteristic that it is difficult to be wrinkled, and has a characteristic that even when mixed with natural fibers such as cotton and wool, the texture of the natural fiber is not impaired. Utilizing these characteristics, polyester fibers and natural fibers can be mixed to produce a cloth or clothing that balances the texture of natural fibers with the durability of polyester. Specifically, for example, shape memory shirts in which polyester and cotton are mixed and are not easily wrinkled are widely used.

  On the other hand, polyester is also used for core-sheath fibers combined with other materials. For example, there are core-sheath fibers in which the core is polyester and the sheath is polyolefin (Patent Documents 1 to 3, etc.). Conversely, core-sheath fibers having a polyolefin core and a polyester sheath are also known (Patent Documents 4 to 7).

Japanese Patent No. 2804147 JP 2006-104606 A JP 2009-136863 A Japanese Patent No. 4283000 JP 2010-209481 A JP 2011-152684 A JP 2011-152839 A

  For fabric products such as clothing, techniques for forming irregularities on the fabric, such as drawing, pleating, and embossing, may be used from the viewpoint of functionality, design, and the like. However, when it is intended to form irregularities on the polyester fiber cloth, the advantage of the polyester fibers that it is difficult to have wrinkles (that is, irregularities) is a disadvantage. That is, in order to form unevenness on the polyester fiber cloth, it is necessary to process for a long time at a considerably high temperature (for example, a temperature of 180 ° C. or higher, 190 to 195 ° C., etc.). Such processing at a high temperature for a long time not only has a problem in terms of cost and productivity, but also may deteriorate the polyester fiber itself.

  Further, in a mixed fabric of polyester fibers and other fibers, the other fibers are often heat-sensitive fibers (for example, natural fibers). In such a case, if the polyester fiber is processed at such a high temperature and for a long time that irregularities are formed, the other fibers that are vulnerable to heat may be deteriorated. Therefore, it is very difficult to form irregularities on a mixed fabric of polyester fibers and natural fibers.

  Therefore, the present invention has an object to provide a method for producing a concavo-convex fabric that can form concavo-convex on a cloth containing polyester fiber, and does not require processing at high temperature and for a long time, a concavo-convex fabric, and a product using the same. And

In order to solve the above-mentioned problem,
A method for producing a concavo-convex forming cloth in which concavo-convex is formed on a fiber-containing cloth,
The fiber-containing cloth is a polyester fiber-containing cloth,
The polyester fiber-containing cloth includes a polyester-containing core-sheath fiber,
The polyester-containing core-sheath fiber is formed from a core and a sheath surrounding the core,
The core is formed from polyolefin; the sheath is formed from polyester;
The manufacturing method includes the following steps (A) to (C):
In at least one selected from the group consisting of the following irregularity forming step (B) before the following heat treatment step (A), simultaneously with the following heat treatment step (A), and after the following heat treatment step (A) The manufacturing method characterized by performing.
(A) The process of heat-treating the polyester fiber-containing cloth (B) The process of applying a force to the polyester fiber-containing cloth to form irregularities (C) The process of cooling the polyester fiber-containing cloth

  The uneven | corrugated cloth of this invention is an uneven | corrugated cloth manufactured by the manufacturing method of the uneven | corrugated cloth of the said this invention.

  Further, the product of the present invention is a product including the uneven forming fabric of the present invention, such as clothing, clothes, kimono, kimono, gloves, socks, socks, underwear, underwear, shirt, cardigan, tank top, skirt, hat, Sleepwear, stockings, scarves, children's clothing, coverings, miscellaneous goods, bedding, cushions, interior miscellaneous goods, bags, handbags, corsages, art flowers, or tapestry.

  According to the present invention, it is possible to provide a method for producing a concavo-convex forming cloth capable of forming concavo-convex on a cloth containing polyester fiber without requiring processing at a high temperature and for a long time, a concavo-convex forming cloth, and a product using the same. Can do.

FIG. 1 is a schematic view illustrating the structure of a polyester-containing core-sheath fiber used in the method for producing an unevenness forming fabric of the present invention. FIG. 2 is a schematic view showing an example of the unevenness forming cloth and product of the present invention. FIG. 3 is a schematic view showing another example of the unevenness forming cloth and product of the present invention. FIG. 4 is a schematic view showing still another example of the unevenness forming cloth and product of the present invention. FIG. 5 is a view showing still another example of the unevenness forming cloth of the present invention. FIG. 6 is a view showing still another example of the unevenness forming cloth of the present invention. FIG. 7 is a view showing still another example of the unevenness forming cloth of the present invention. FIG. 8 is a view showing still another example of the unevenness forming cloth of the present invention.

  Hereinafter, the present invention will be described in more detail. However, the present invention is not limited by the following description.

[Method for producing uneven forming fabric]
As described above, the manufacturing method of the uneven forming fabric of the present invention,
A method for producing a concavo-convex forming cloth in which concavo-convex is formed on a fiber-containing cloth,
The fiber-containing cloth is a polyester fiber-containing cloth,
The polyester fiber-containing cloth includes a polyester-containing core-sheath fiber,
The polyester-containing core-sheath fiber is formed from a core and a sheath surrounding the core,
The core is formed from polyolefin; the sheath is formed from polyester;
The manufacturing method includes the following steps (A) to (C):
In at least one selected from the group consisting of the following irregularity forming step (B) before the following heat treatment step (A), simultaneously with the following heat treatment step (A), and after the following heat treatment step (A) The manufacturing method characterized by performing.
(A) The process of heat-treating the polyester fiber-containing cloth (B) The process of applying a force to the polyester fiber-containing cloth to form irregularities (C) The process of cooling the polyester fiber-containing cloth

  The polyester fiber used for the manufacturing method of the uneven | corrugated fabric of this invention is a polyester containing core sheath fiber formed from the core and the sheath surrounding the periphery as above-mentioned. The core of the polyester-containing core-sheath fiber is formed from polyolefin, and the sheath is formed from polyester. FIG. 1 shows an example of the structure. As illustrated, this polyester-containing core-sheath fiber 10 is formed of a core 11 and a sheath 12 surrounding the core 11. The core 11 is made of polyolefin, and the sheath 12 is made of polyester. In addition, in the polyester containing core-sheath fiber 10 of FIG. 1, the sheath 12 surrounds the circumference | surroundings of the cylindrical core 11 concentrically. However, the polyester-containing core-sheath fiber used in the method for producing an unevenness forming fabric of the present invention is not limited to this structure. For example, the cross-sectional shapes of the core and the sheath are not limited to circular shapes, but may be arbitrary shapes. Moreover, the position of the said core is not limited only to the center of the said polyester containing core sheath fiber, The position off from the center may be sufficient.

  As described above, the cloth containing polyester fiber has a problem that it cannot be formed uneven unless it is processed at a high temperature for a long time. The present inventor has found such a problem in a cloth containing polyester fibers, and studied means for solving the problem. As a result, it has been found that a cloth containing a polyester-containing core-sheath fiber formed from a core formed from polyolefin and a sheath formed from polyester is used, and the present invention has been achieved. In addition, as mentioned above, the core-sheath fiber formed from polyolefin and polyester was known so far (patent documents 1-7 etc.), but these are not used for cloth products, such as clothes. It is not intended to form irregularities.

  According to the method for manufacturing a concavo-convex fabric of the present invention, as described above, it is possible to form concavo-convex without requiring processing at a high temperature and for a long time. The reason for this is not clear, but it is considered that the polyolefin forming the core of the polyester fiber has excellent flexibility and is easily softened even at low temperature or for a short time. More specifically, for example, since the melting point or glass transition temperature of polyolefin is low, it is considered that softening occurs at a low temperature or in a short time, and irregularities are formed on the cloth. Furthermore, when cooled to room temperature (temperature approximately equal to room temperature) in that state, the polyolefin (core) is solidified in that shape, and the polyester (sheath) is also fixed in that shape, so that unevenness is difficult to remove. Conceivable. However, these are examples of mechanisms that can be estimated and do not limit the present invention.

  In addition, the method for producing the unevenness forming fabric of the present invention and the unevenness forming fabric of the present invention produced thereby formed not only the unevenness by low temperature or short time processing, but also formed by applying force by washing etc. Unevenness is difficult to remove. The reason for this is not clear, but it is thought to be due to the property of the polyester fiber that is difficult to deform. That is, since the cloth containing the polyester fiber is not easily deformed, it is considered that the unevenness formed by the manufacturing method of the unevenness forming cloth of the present invention is difficult to be removed, as represented by the shape memory shirt described above. . However, the present invention is not limited by this description.

  Furthermore, according to the manufacturing method of the present invention, the unevenness is formed by applying a force to the polyester fiber-containing cloth. Therefore, the shape of the unevenness can be freely designed or controlled by designing or controlling how to apply the force. Is possible. That is, according to the present invention, it is possible to manufacture a concavo-convex forming cloth whose concavo-convex shape is freely designed or controlled. In one aspect, it can be said that the production method of the present invention is a method of forming irregularities on a polyester fiber-containing cloth.

  In the present invention, the “unevenness” in the polyester fiber-containing cloth and the unevenness forming cloth is not particularly limited, and refers to a state in which the shape of the cloth is not flat. The irregularities are, for example, at least selected from the group consisting of wrinkles, creases, folds, embossed patterns, crush patterns, drawn patterns, waves, pleats, hand fir patterns, washer patterns, wash patterns, ripple patterns, and vacuum patterns. Although it is one, it is not limited to these. In the present invention, the unevenness that can be formed by a specific unevenness forming method is sometimes referred to as a “pattern”. For example, the “embossed pattern” is unevenness that can be formed by an embossing method. The “drawing pattern” is unevenness that can be formed by a drawing method, that is, a manual drawing method or a mechanical drawing method.

  The order in which the steps (A) to (C) are performed is not particularly limited. For example, the heat treatment step (A) may be performed before the concavo-convex forming step (B), may be performed simultaneously with the concavo-convex forming step (B), or performed after the concavo-convex forming step (B). May be. Moreover, the said cooling process (C) may be performed simultaneously with the said uneven | corrugated formation process (B), for example, and may be performed after the said uneven | corrugated formation process (B).

  The number of times of performing the steps (A) to (C) is not particularly limited. For example, the heat treatment step (A) may be performed only before or after the concavo-convex forming step (B), or may be performed before or after the concavo-convex forming step (B).

  Moreover, the manufacturing method of this invention may include other processes other than the said process (A)-(C) suitably, and does not need to include it. The timing, number of times, etc. for performing the other steps are not particularly limited, and may be appropriately performed between the steps (A) to (C), or at least one of the steps (A) to (C). You may go at the same time.

  Next, the polyester fiber-containing cloth and each of the steps (A) to (C) will be described more specifically.

[1. Polyester fiber-containing cloth provision process]
First, the said polyester fiber containing cloth used for this invention is demonstrated.

  As described above, the polyester fiber-containing cloth used in the method for producing an unevenness forming cloth of the present invention includes a polyester-containing core-sheath fiber formed from a core and a sheath surrounding the core. The core of the polyester-containing core-sheath fiber is formed from polyolefin, and the sheath is formed from polyester. Other than this, the polyester fiber-containing cloth is not particularly limited.

  The polyolefin in the polyester-containing core-sheath fiber is not particularly limited, but is preferably at least one of polyethylene and polypropylene. For example, polypropylene is more preferable than polyethylene because it tends to be superior in heat resistance, small specific gravity (lightness), and the like. The polyester in the polyester-containing core-sheath fiber is not particularly limited, but is preferably an ester of an aryl dicarboxylic acid and an alkylene glycol from the viewpoint of high strength, difficulty in removing irregularities, and the like. More preferably, the polyester in the polyester-containing core-sheath fiber is at least one selected from the group consisting of polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate, polyethylene naphthalate, and polyethylene naphthalate.

  In the polyester-containing core-sheath fiber used in the present invention, the mass ratio (core: sheath) between the core (polyolefin) and the sheath (polyester) is not particularly limited. From the viewpoint of balance with hardness (durability), for example, 1:99 to 99: 1, preferably 5:95 to 95: 5, more preferably 30:70 to 70:30, and still more preferably 30: 70-39: 61.

  In the polyester-containing core-sheath fiber used in the present invention, the glass transition temperature and the melting point of the core (polyolefin) and the sheath (polyester) are not particularly limited. If the glass transition temperature of the core (polyolefin) is higher than the glass transition temperature of the sheath (polyester), it is easy to form irregularities on the polyester fiber-containing cloth and the difficulty of removing irregularities (durability). It is preferable because it is easy to achieve both. The same applies to the melting point.

The polyester-containing core-sheath fiber may be a polyester-containing core-sheath fiber manufactured from a biological material. Specifically, only one of the polyolefin and the polyester may be a biological material, or both may be biological. For example, the polyolefin may be plant-derived polyethylene such as sugar cane-derived polyethylene. More specifically, for example, ethanol (bioethanol) may be synthesized from plant-derived materials, ethylene may be synthesized from the ethanol, and the ethylene may be polymerized to obtain polyethylene. In addition, in this way, plastics produced using renewable organic resources (for example, plant-derived raw materials) may be referred to as “biomass plastics”. For example, it is considered that if biomass plastic produced from plant-derived raw materials is used, it can contribute to the reduction of total CO ₂ emissions from plastic production to disposal. This is to absorb CO ₂ when the raw plant is alive. In addition, for example, the biomass plastic can be produced without using petroleum-derived raw materials, so that consumption of petroleum-derived raw materials, petroleum-derived energy, and the like can be reduced. In addition, it is preferable that the polyester-containing core-sheath fiber is biodegradable because a load on the natural environment at the time of disposal of the unevenness forming fabric of the present invention is reduced. More preferably, both the core and the sheath are biodegradable, but only one may be biodegradable.

  Moreover, the said polyester fiber containing cloth may contain other fibers other than the said polyester containing core-sheath fiber. The other fibers may include only one of natural fibers and synthetic fibers, or may include both. The natural fiber is not particularly limited, but is preferably a fiber derived from at least one selected from the group consisting of cotton, wool, silk, hemp, bamboo (bamboo), pineapple, banana, and Japanese paper. The synthetic fiber is not particularly limited, but at least one selected from the group consisting of biodegradable polyester and cellulose fiber is preferable. In addition, it is preferable that the other fiber is biodegradable because the load on the natural environment when the unevenness forming cloth of the present invention is discarded is further reduced. The content of the other fibers is not particularly limited, but is, for example, more than 0% by mass, 60% by mass or less, 50% by mass or less, 40% by mass or less, 30% by mass or less, 20% by mass or less, or 10% by mass. % Or less, particularly preferably 9.9% by mass or less. In the present invention, when the range of the invention is limited by a numerical value, the numerical value range may be strictly limited, but the numerical value range may be approximately. For example, “60% by mass or less” may be strictly 60% by mass or less, or about 60% by mass or less. Further, for example, in the case of “40 to 200 ° C.”, it may be strictly 40 to 200 ° C., but may be about 40 to 200 ° C. The same applies to all the following numerical limitations.

  Heat-sensitive fibers (such as natural fibers) may be altered when pleated at high temperatures. For this reason, as described above, it was very difficult to form irregularities on the mixed fabric of these fibers and polyester fibers. However, according to the manufacturing method of the unevenness forming cloth of the present invention, the unevenness can be formed even at a low temperature. For this reason, even if natural fibers or the like that are vulnerable to heat are used as the “other fibers”, it is possible to form irregularities without causing these alterations. It is also possible to provide a concavo-convex forming cloth that does not impair the texture of the natural fiber or the like and also has the excellent characteristics (for example, durability, water repellency, etc.) of polyester.

In the “other fibers”, the biodegradable fiber is not particularly limited, and may be, for example, a natural fiber or a biodegradable synthetic fiber. The biodegradable synthetic fiber is not particularly limited, and examples thereof include biodegradable polyester and cellulose fiber. Examples of the biodegradable polyester include polylactic acid. Examples of the cellulose fiber include cupra, rayon, acetate (acetylcellulose), diacetate (diacetylcellulose), triacetate (triacetylcellulose), polynosic, lyocell, and tencel (registered trademark). More specifically, examples of the biodegradable synthetic fiber include Teijin's heat resistant bioplastic (glass transition temperature 60 ° C., melting point 210 ° C.), Unitika's Terramac (trade name), and the like. However, the said biodegradable synthetic fiber is not limited to these, For example, other conventionally well-known fibers etc. may be sufficient. The polyester fiber-containing cloth particularly preferably contains polylactic acid. As an advantage of polylactic acid, for example,

(1) Since the glass transition temperature is lower than other fibers, it can be processed with energy saving and the load on the environment is small. (2) When processing with other fibers (such as weaving), polylactic acid Low glass transition temperature makes it difficult to damage other fibers by heating

Etc. Polylactic acid can also be synthesized from plant-derived materials such as sugarcane and corn. Biodegradable polylactic acid synthesized from plant-derived raw materials falls under both of biomass plastics and biodegradable plastics, and thus has the advantages of both. However, these descriptions are merely examples, and the glass transition temperature of the polylactic acid used in the present invention is not limited at all.

  The other fibers may be general synthetic fibers other than natural fibers and biodegradable synthetic fibers. Examples of the general synthetic fiber include polyester, vinylon, acrylic, nylon, and polyurethane. When the said polyester fiber containing cloth contains the said general synthetic fiber, the content rate in particular is not restrict | limited, For example, it exceeds 0 mass% and is 9.9 mass% or less.

  The structure of the polyester fiber-containing cloth is not particularly limited, but is preferably knitted fabric, knit fabric, woven fabric, nonwoven fabric, lace, or felt. For example, the polyester fiber-containing cloth may be a woven fabric (cross-weaving) using the polyester-containing core-sheath fiber for the warp and the other fiber for the weft, and the polyester may be used for each of the warp and the weft. It may be a woven fabric used by mixing the contained core-sheath fiber and the other fiber, and is a cloth (cross-stretched) in which the polyester-containing core-sheath fiber and the other fiber are mixed and twisted. There may be. Further, for example, the polyester fiber-containing cloth may be a knit (knitted) formed from the polyester-containing core-sheath fiber and the other fibers.

  For example, if irregularities are formed on a knitted fabric such as a knit by the method of the present invention, secondary stretchability can be generated in addition to the stretchability (stretch) inherent to the knitted fabric. That is, when irregularities such as pleats are formed according to the present invention, in addition to the elasticity inherent in the entire knitted fabric, partial elasticity in the irregularities occurs, and the knitted fabric has different stretches. In addition, in a woven fabric or a nonwoven fabric, for example, a biodegradable synthetic fiber-containing fabric containing polyurethane, a biodegradable synthetic fiber-containing fabric using twisted yarn, and the like, by mixing the polyester-containing core-sheath fiber used in the present invention, It is also possible to make a polyester fiber-containing cloth having a certain degree of stretchability. Even in such a polyester fiber-containing cloth, if irregularities are formed by the method of the present invention, secondary (partial) stretch is generated as in the case of the knitted fabric by forming the shape of the fiber, Different stretches can be formed. Due to the different stretches, for example, when the garment is tailored, the sense of restraint is further reduced and a comfortable wearing feeling can be obtained. However, these descriptions regarding stretchability (stretch) are merely examples and do not limit or limit the present invention.

  In addition, the said polyester fiber containing cloth may use a commercially available thing as it is, and may make it self-made. The method of making it is not particularly limited, and any method is possible. In addition, the polyester fiber-containing cloth prepared in this step may be flat or may have already been formed with irregularities. For example, a polyester fiber-containing cloth in which irregularities are formed may be produced by shrinking a fiber yarn formed from polylactic acid or the like by heat treatment or the like to produce a twist, and knitting or weaving the yarn.

[2. Heat treatment step (A)]
Next, the heat treatment step (A) will be described.

  The heating method in the heat treatment step (A) is not particularly limited. For example, the method using an iron, the method using a dryer, the heating method using steam (steam), the polyester fiber-containing cloth is immersed in hot water. And a method (so-called hot water bath). Examples of the heating method using steam (steam) include a method using a steam kettle, a steam pressure kettle, or a high-pressure dyeing kettle (pressure dyeing kettle). Hereinafter, the heating method using steam (steam) may be referred to as “steam heat method”, and the heating method using no steam (steam) and water may be referred to as “dry heat method”. For example, when heating using an iron, a steam heat method or a dry heat method may be used. In addition, in the case of immersing in hot water, for example, the polyester fiber-containing cloth may be immersed in hot water after being heated in advance, or the polyester fiber-containing cloth is immersed in water at room temperature. It is good also as hot water by heating water.

  The heating temperature in the heat treatment step (A) is not particularly limited. For example, it is preferably not less than the glass transition temperature of the fiber having the lowest glass transition temperature among the fibers forming the polyester fiber-containing cloth. It is more preferable that it is more than the glass transition temperature of the fiber with the highest glass transition temperature among the fibers forming the fiber-containing cloth. Moreover, it is preferable that the said heating temperature is below the melting | fusing point of the fiber with the lowest melting | fusing point among the fibers which form the said polyester fiber containing cloth. If the heating temperature is equal to or higher than the glass transition temperature of the fiber having the lowest glass transition temperature among the fibers forming the polyester fiber-containing cloth, irregularities are easily formed. If the heating temperature is equal to or higher than the glass transition temperature of the fiber having the highest glass transition temperature, the unevenness can be easily controlled. For example, there is an advantage that unintended unevenness unevenness and pleat unevenness hardly occur. Moreover, if the said heating temperature is below the melting point of the fiber with the lowest melting | fusing point, melting | fusing of the said polyester fiber containing cloth can be prevented. Moreover, since it is easy to form an unevenness | corrugation if the heating temperature in the said heat processing process (A) is more than the glass transition temperature of the said polyolefin in the said polyester containing core-sheath fiber, it is preferable. If the heating temperature in the heat treatment step (A) is not higher than the melting point of the polyolefin in the polyester-containing core-sheath fiber, melting of the polyester-containing core-sheath fiber can be prevented. However, the heating temperature is not limited to this, and for example, unevenness can be formed even if the heating temperature is equal to or lower than the glass transition temperature of the fibers forming the polyester fiber-containing cloth. In addition, when using a fiber that does not clearly show the glass transition temperature or melting point, for example, the heating temperature is appropriately set within a range in which unevenness is easily formed and undesirable alteration of the fiber is not caused. Can do.

Table 1 below illustrates physical properties such as glass transition point and melting point of polyester, polyolefin (polyethylene and polypropylene), and “other fibers” (polylactic acid). As shown in Table 1 below, polyester has a high glass transition point and a very high melting point, and therefore is not easily deformed. Polyolefins have a very low glass transition point, so they are highly flexible and easy to deform. According to the method for producing an unevenness-containing fabric and an unevenness-containing fabric of the present invention, it is considered that unevenness is easily formed and unevenness once formed is difficult to remove by using these properties. However, this description is merely an example and does not limit the present invention. Even if the fibers are the same material, the glass transition temperature, the melting point, and the like differ depending on the degree of polymerization, the weight average molecular weight, and the like. Therefore, the physical property values shown in Table 1 below are merely examples, and the physical property values of polyester, polyethylene, polypropylene, and polylactic acid used in the present invention are not limited at all.

  In many cases, the resin exhibits rubber elasticity (flexibility) above the glass transition temperature. Therefore, for example, as shown in Table 1, if the glass transition temperature of the polyolefin is lower than room temperature, it is considered possible to form irregularities at room temperature without heating. However, it is difficult to soften the polyester fiber-containing cloth used in the present invention to such an extent that irregularities can be formed unless heated. This is because the polyolefin used for the fibers has high rigidity, and the polyester fiber-containing cloth uses a polyester that hardly deforms for the fiber sheath. For this reason, in the manufacturing method of the uneven | corrugated cloth of this invention, the said heat processing process (A) which heat-processes the said polyester fiber containing cloth is essential.

  The suitable range of the heating temperature varies depending on the type of fiber forming the polyester fiber-containing cloth. For example, even if the fibers are made of the same material, the glass transition temperature, the melting point, and the like differ depending on the degree of polymerization, the weight average molecular weight, etc., and the heating temperature may be set appropriately according to them. The heating temperature is, for example, 40 to 200 ° C, preferably 50 to 190 ° C, more preferably 70 to 170 ° C, further preferably 80 to 160 ° C, more preferably 90 to 150 ° C, and particularly preferably 90 to 100 ° C. Or it is 100-140 degreeC. For example, if the heating temperature is equal to or higher than the glass transition temperature of the polyolefin in the polyester-containing core-sheath fiber, the unevenness in the unevenness-formed cloth after manufacture is generally good, and a load or washing is performed. Even if it is difficult to remove unevenness. If the melting point of the polyolefin is high and the heat resistance of the “other fiber” is high, the upper limit of the heating temperature can be set high. Furthermore, the heating time in the heat treatment step (A) is not particularly limited, and may be set as appropriate. The heating time is preferably not too short from the viewpoints of formation of unevenness and difficulty in taking, and is preferably not too long from the viewpoint of production efficiency of the unevenness forming cloth. The suitable heating time varies depending on the heating method and the type of fibers forming the polyester fiber-containing cloth. For example, in the case of the hot water bath method, the heating time is not particularly limited, and is, for example, 10 to 20 minutes, 8 to 15 minutes, 5 to 10 minutes, or 1 to 5 minutes. In the case of a dry heat method using an iron, the heating time is not particularly limited, and is, for example, 10 to 30 seconds, 8 to 25 seconds, 5 to 20 seconds, or 1 to 15 seconds. When the conditions such as the heating temperature are appropriately set according to the type of fiber forming the polyester fiber-containing cloth, the heating time can be shortened, and the production efficiency can be improved, which is preferable. When heating the polyester-containing core-sheath fiber at a high temperature such as 150 ° C. or higher, or 180 ° C. or higher, the heating time is preferably 45 seconds or less from the viewpoint of preventing alteration of the polyester-containing core-sheath fiber. More preferably, it is 30 seconds or less, and further preferably 20 seconds or less. Although the lower limit of the heating time is not particularly limited, it is, for example, 1 second or more. For example, the polyester-containing core-sheath fiber may be heated for a short time at a high temperature such as 150 ° C. or higher or 180 ° C. or higher, and then temporarily heated at a low temperature for a long time. Further, for example, heating at a high temperature such as 150 ° C. or higher or 180 ° C. or higher may not be performed, and heating may be performed only at a low temperature lower than those temperatures.

[3. Concavity and convexity forming step (B)]
Next, the unevenness forming step (B) will be described.

  The unevenness forming method in the unevenness forming step (B) is not particularly limited. For example, a handing method, a machine setting method, an ironing method, a hand pleating method, a mechanical pleating method, a drawing method, a mechanical drawing method, a hand drawing Processing method, plate fastening method, method using thread, steam pot method, steam pressure pot method, hot water bath method, shrink thread method, high pressure dyeing pot (pressure dyeing pot) method, embossing method, crush method, wave method, hand pad method It is preferably at least one selected from the group consisting of a washer method, a washing method, a ripple method, and a vacuum method. The drawing method includes a manual drawing method and a mechanical drawing method. In the method using a yarn, the yarn is not particularly limited, but may be, for example, a stretchable yarn such as rubber, or a yarn that melts by heating. For example, after forming the folds (pleats) by folding the polyester fiber-containing cloth, or after forming the aperture, the folds or aperture (unevenness) can be temporarily formed (braded) with a thread. When performing the said uneven | corrugated formation process (B) simultaneously with the said heat processing process (A), an ironing method, a mechanical pleat method, etc. can be used, for example. In the concavo-convex formation step (B), the time during which the force is continuously applied for forming the concavo-convex is not particularly limited, and may be appropriately set from the moment to the long time according to the concavo-convex formation method or the like. The time for which the force is continuously applied is preferably not too short from the viewpoints of formation of unevenness and difficulty in taking, and is preferably not too long from the viewpoint of manufacturing efficiency of the unevenness forming cloth. A suitable time varies depending on the unevenness forming method and the like. For example, in the case of a dry heat method using an iron, the unevenness forming step (B) may be performed simultaneously with the heat treatment step (A), and the time during which the force is continuously applied may be the same as the heating time.

  In the unevenness forming step (B), for example, according to a method in which force is regularly applied to the entire predetermined range of the polyester fiber-containing cloth, such as a mechanical pleating method, it is possible to form orderly regular unevenness. . On the other hand, according to the method of applying force only to a part of the polyester fiber-containing fabric (drawing method) or the method of applying force irregularly over the entire predetermined range (vacuum method, crash method, etc.), randomness Therefore, it is possible to form irregularities having complexity, natural feeling, and the like. For example, according to the drawing method, it is also possible to form a pleat having complexity due to randomness (randomness), natural feeling, etc. between a plurality of points subjected to drawing.

  Moreover, when performing the said uneven | corrugated formation process (B) in at least one before the said heat processing process (A) and the said heat processing process (A), the uneven | corrugated formation method in the said uneven | corrugated formation process (B) is For example, a method of wrapping an object with the polyester fiber-containing cloth and applying a force to the polyester fiber-containing cloth at a portion where the object surface and the polyester fiber-containing cloth are in contact with each other may be used. According to this method, for example, the shape of the surface of the object can be reflected in the uneven shape of the unevenness forming cloth, so that unevenness with a unique shape can be formed. The object is not particularly limited and may be anything, but preferably has an appropriate heat resistance so as not to interfere with the production method of the present invention. Examples of the object include marbles, CDs (compact discs), coins, corks (eg, wine bottle stoppers formed from cork), bottle lids (eg, beer bottle lids), and the like. A specific method for applying a force to the polyester fiber-containing cloth at a portion where the object surface and the polyester fiber-containing cloth are in contact with each other is not particularly limited. For example, tension may be applied to a portion where the object surface and the polyester fiber-containing cloth are in contact with each other by a method such as binding the polyester fiber-containing cloth with a thread or fastening with a ring. There are no particular restrictions on the part to be tied with a thread or tightened with a ring. For example, the object may be completely trapped in the polyester fiber-containing cloth to form a bag, and the mouth portion of the bag may be tied with a thread or tightened with a ring. Alternatively, a portion where the object surface and the polyester fiber-containing cloth are in contact may be directly bound with a thread or tightened with a ring. In this case, for example, the object may be half-wrapped with the polyester fiber-containing cloth. Such a method of tying with a thread or a method of fastening with a ring can be considered as a kind of so-called drawing method, so that the drawing method except that the object is wrapped with the polyester fiber-containing cloth. It can be performed in the same way.

  Further, in each step of the production method of the present invention, for example, in the heat treatment step (A) or the unevenness forming step (B), if a large-scale machine, device, etc. is used, mass production and quality of the unevenness forming fabric are achieved. It is easy to ensure control and manufacturing stability. A method using a large-scale machine, apparatus, or the like is not particularly limited, and examples thereof include the above-described machine setting method, machine pleating method, and pressure dyeing pot method. On the other hand, according to manual work, it is also possible to form unevenness having a more natural feeling and complexity. Although it does not restrict | limit especially as a manual work, For example, the above-mentioned hand-attaching method, the hand pleating method, etc. are mentioned.

[4. Cooling step (C)]
In the cooling step (C), the cooling method is not particularly limited. For example, a method of leaving the heated polyester fiber-containing cloth in a normal temperature atmosphere (cooling) or a method of cooling with water may be used. The method of cooling with water may be, for example, a method of applying a water flow to the polyester fiber-containing cloth, or a method of immersing the polyester fiber-containing cloth in water. The water may be room temperature (temperature approximately equal to room temperature) or cold water, but the former is simple. Examples of the cooling method include a method of applying cold air to the heated polyester fiber-containing cloth and a method of lowering the room temperature. The “cold air” is not particularly limited in temperature, but is, for example, room temperature or lower.

  For example, an unevenness | corrugation can be formed by cooling the said polyester fiber containing cloth which passed through the said heat processing process (A) and the said unevenness | corrugation formation process (B) by the said cooling process (C). The cooling time is not particularly limited, and may be appropriately set to a necessary and sufficient time.

  Although the manufacturing method of the uneven | corrugated fabric of this invention can be performed as follows, for example, it is not limited to these.

[Embodiment 1]
When performing the said uneven | corrugated formation process (B) simultaneously with the said heat processing process (A), it is as follows, for example.

  That is, first, the polyester fiber-containing cloth is prepared. Next, the heat treatment step (A) and the unevenness forming step (B) are performed simultaneously. For example, an unevenness such as a pleat or an embossed pattern is formed by applying a pressure while heating by a dry heat method using a roller. At this time, for example, by appropriately setting the roller surface shape and the like, the uneven shape can be appropriately designed or controlled. The heating temperature is as described above, for example. Although the weight of a roller is not specifically limited, For example, it is the range of 25 kg-40 kg. The time for applying pressure while heating is not particularly limited, but is, for example, about 20 seconds. The method for heating and driving the roller is not particularly limited, and for example, an appropriate machine may be used. Thereafter, the cooling step (C) is performed, for example, according to the above description. For example, cooling is simple and preferable. Thus, the unevenness forming cloth of the present invention can be manufactured.

[Embodiment 2]
When performing the said uneven | corrugated formation process (B) before the said heat processing process (A), it is as follows, for example.

  That is, first, the polyester fiber-containing cloth is prepared. Next, the unevenness forming step (B) is performed. Specifically, for example, the polyester fiber-containing cloth is sandwiched between pleat molds (hand pleats), or pleats are formed by hand drawing or mechanical drawing, and are squeezed with yarn (temporary forming). Next, the heat treatment step (A) is performed. Specifically, for example, the polyester fiber-containing cloth is put in a vacuum steam set kettle while being sandwiched between pleats or with a basting thread (steam heat method). The heating temperature is not particularly limited, but is as described above, for example. The heating time is not particularly limited, but is, for example, 30 to 40 minutes. Then, the said polyester fiber containing cloth is taken out from the said vacuum steam set kettle, and the said cooling process (C) is performed according to the above-mentioned description, for example. For example, cooling is simple and preferable. Thus, the unevenness forming cloth of the present invention can be manufactured.

[Embodiment 3]
When performing the said uneven | corrugated formation process (B) after the said heat processing process (A), it is as follows, for example.

  That is, first, the polyester fiber-containing cloth is prepared. Next, the heat treatment step (A) is performed. Specifically, for example, the polyester fiber-containing cloth is put in a vacuum steam set kettle and heated in a flat state without applying force (steam heat method), or put in a dryer and heated (dry). Thermal method). The heating temperature and the heating time are not particularly limited, but are as described above, for example. Next, the said uneven | corrugated formation process (B) and the said cooling process (C) are performed simultaneously, or the said cooling process (C) is performed after the said uneven | corrugated formation process (B). Among these, for example, the method of simultaneously performing the unevenness forming step (B) and the cooling step (C) is preferable from the viewpoints of manufacturing efficiency and simplicity. More specifically, for example, the polyester fiber-containing cloth after heating is immersed in water at room temperature (a temperature approximately equal to room temperature) and cooled instantaneously, and at the same time, it is manually shrunk to form wrinkles. Can do. Further, for example, a water flow may be applied instead of being immersed in water. The time for squeezing by hand (the time during which the force is continuously applied to form the unevenness) is not particularly limited and may be set as appropriate. For example, it is 5 to 25 seconds, preferably 8 to 20 seconds, and more preferably 10 to 15 seconds. It is. The time for cooling with water is not particularly limited as long as the polyester fiber-containing cloth can be cooled to room temperature, and is, for example, 1 to 10 seconds, preferably 1 to 5 seconds, and more preferably 1 to 3 seconds. Thus, the unevenness forming cloth of the present invention can be manufactured.

The manufacturing method of the unevenness forming cloth of the present invention can be performed by various methods other than the above description. For example, the concave / convex pattern (pattern) can be set or controlled more freely by performing the concave / convex forming step (B) a plurality of times (multiply twice, triple etc.). More specifically, for example, the setting and type of unevenness forming machine is appropriately selected, or a combination of different types of machines, hand pleats, manual work, sewing (a method for temporarily forming unevenness with a thread), etc. In other words, it is possible to perform double multiplication, triple multiplication, and the like. Hereinafter, some methods will be exemplified.
(1) Machine pleat a x Machine pleat b
(2) Machine pleat a x Hand drawn pleat (3) Hand pleat x Machine pleat c
(4) Machine pleats x Iron manual work → Steam set pleats (5) Sewing → Iron manual work → Steam set pleats

  Furthermore, the said process (A)-(C) can also be performed after processing the said polyester fiber containing cloth into a product, for example. For example, after processing the said polyester fiber containing cloth into the parts (semi-finished product) of a product, an unevenness | corrugation is formed by the said process (A)-(C), Furthermore, it is good also as a product combining the said parts. Further, for example, the polyester fiber-containing cloth (not particularly limited, for example, a knitted fabric such as a knit) is prepared, wound around the body of a doll (mannequin, etc.) (the irregularity forming step (B)), and heated (particularly limited). Although not performed, heating and the like with water vapor may be performed (the heat treatment step (A)) and may be cooled (the cooling step (C)) to form unevenness. The concavo-convex forming fabric manufactured in this way can be used as clothes, for example.

[Unevenness forming fabric and products using the same]
The manufacturing method of the uneven | corrugated cloth of this invention is not restrict | limited in particular, What kind of manufacturing method may be sufficient, The manufacturing method of the said this invention is preferable. As described above, according to the manufacturing method of the present invention, the unevenness is formed by applying force to the polyester fiber-containing cloth, so that the shape of the unevenness can be freely designed or controlled by designing or controlling how to apply the force. It is possible. The unevenness forming cloth of the present invention is, for example, as described above, clothing, clothes, Japanese clothes, kimono, gloves, socks, socks, underwear, underwear, shirt, cardigan, tank top, skirt, hat, nightclothes, stockings, scarf, It can be used for products that are children's clothing, coverings, miscellaneous goods, bedding, cushions, interior miscellaneous goods, bags, handbags, corsages, art flowers, or tapestry. For example, as described above, clothes, Japanese clothes, kimono, gloves, socks, socks, underwear, underwear, shirts, cardigans, tank tops, skirts, hats, nightclothes, stockings, scarves, children's clothes, etc. . Moreover, the uneven | corrugated fabric of this invention is not limited to these, It can be used for all products.

  Hereinafter, examples of the unevenness forming cloth of the present invention or the product of the present invention will be described with reference to the drawings.

  In FIG. 2, an example of the uneven | corrugated cloth of this invention and a product using the same is shown. 2A to 2C are diagrams schematically illustrating an example of the unevenness forming cloth of the present invention. 2A is a plan view, FIG. 2B is a cross-sectional view in the X-X ′ direction, and FIG. 1C is a cross-sectional view in the Y-Y ′ direction. As shown in FIG. 2A, the unevenness forming cloth 20 has a plurality of protrusions 21a, a plurality of crease peaks 21b, and a plurality of crease valleys 21c. As shown in FIG. 2B, there are a plurality of protrusions 21a in the X-X ′ cross-sectional direction. Further, as shown in FIG. 2C, a plurality of crease peaks 21b and crease valleys 21c exist in the Y-Y 'cross-sectional direction. 2D and 2E are examples of clothes using such a concavo-convex forming cloth. In FIG. 2D, the plurality of protrusions 21a are arranged horizontally and symmetrically, and the plurality of crease peaks 21b and the plurality of crease valleys 21c are arranged symmetrically. In FIG. 2E, the plurality of protrusions 21a are arranged obliquely and laterally asymmetrically, and the plurality of crease peaks 21b and the plurality of crease valleys 21c are arranged asymmetrically in the left-right direction.

  Although the manufacturing method of the uneven | corrugated cloth shown to FIG. 2 (A)-(C) is not restrict | limited in particular, For example, in the said uneven | corrugated formation process (C) of the manufacturing method of the said invention, a drawing method (hand drawing processing method) Alternatively, a mechanical drawing method may be used. More specifically, for example, the above-described [Embodiment 2] may be used. In this way, the protrusion 21a is formed by drawing. Further, during drawing, tension is applied to portions other than the protrusions 2a, and crease peaks 21b and crease valleys 21c are formed. About the crease mountain 21b and the crease valley 21c, it is possible to form natural unevenness having appropriate irregularity by not directly applying force to these portions. Further, the method for producing the garment of FIG. 2D or E is not particularly limited. For example, clothing may be tailored using the uneven forming cloth of the present invention. Further, for example, a garment may be made using a polyester fiber-containing cloth that does not have unevenness, and the unevenness may be formed by using the garment as a polyester fiber-containing cloth according to the manufacturing method of the unevenness forming cloth of the present invention. Moreover, after forming unevenness | corrugation for every part, it is good also as clothes by combining.

  FIG. 3 shows another example of the product of the present invention. This product is a garment using the concavo-convex fabric of the present invention, but it can also be said that the garment itself is the concavo-convex fabric of the present invention. FIG. 2 is a diagram schematically showing an enlarged shape of a part of the garment. As illustrated, the garment 30 has a plurality of protrusions 31 on the surface. The protrusion 31 has a substantially spherical shape.

  Although the manufacturing method of the garment shown in FIG. 3 is not particularly limited, for example, it may be performed as follows. That is, in the unevenness forming step (C) of the production method of the present invention, marbles are wrapped with the polyester fiber-containing cloth, the marbles are completely enclosed in the polyester fiber-containing cloth to form a bag, and the bag mouth portion. Tighten with a thread or ring. Other steps such as the heat treatment step (A) are not particularly limited, but may be similar to, for example, a so-called drawing method. More specifically, for example, the above-described [Embodiment 2] may be used.

  FIG. 4 shows still another example of the product of the present invention. This product is a garment using the concavo-convex fabric of the present invention, but it can also be said that the garment itself is the concavo-convex fabric of the present invention. The figure schematically shows the shape of the garment. As illustrated, the garment 40 has a plurality of protrusions 41 and 42 on the surface. The protrusions 41 and 42 have a disk shape or a spindle shape.

  Although the manufacturing method of the garment shown in FIG. 4 is not particularly limited, for example, it may be performed as follows. That is, in the unevenness forming step (C) of the manufacturing method of the present invention, a CD (compact disc) is wrapped with the polyester fiber-containing cloth, and the CD is completely enclosed in the polyester fiber-containing cloth to form a bag. Tie the mouth part of the door with a thread or tighten it with a ring. Other steps such as the heat treatment step (A) are not particularly limited, but may be similar to, for example, a so-called drawing method. More specifically, for example, the above-described [Embodiment 2] may be used.

  In FIG. 5, another example of the uneven | corrugated cloth of this invention is shown. 5A is a plan view, and FIG. 5B is a cross-sectional view in the X-X ′ direction. As shown in these drawings, the unevenness forming cloth 50 has a plurality of crease peaks 51a and a plurality of crease valleys 51b, which form a plurality of regular creases. Although the manufacturing method of this uneven | corrugated fabric is not restrict | limited in particular, For example, the mechanical pleat method should just be used in the manufacturing method of the said this invention.

  In FIG. 6, another example of the uneven | corrugated fabric of this invention is shown. 6A is a plan view, and FIG. 6B is a cross-sectional view in the X-X ′ direction. As shown in these drawings, the unevenness forming cloth 60 includes a plurality of embossed ridges 61a and a plurality of embossed valleys 61b, which form a plurality of irregular creases. The manufacturing method of the unevenness forming cloth is not particularly limited. For example, in the manufacturing method of the present invention, a vacuum crush (vacuum pleat) method may be used.

  In FIG. 7, another example of the unevenness | corrugation formation cloth of this invention is shown. FIG. 7A is a plan view, and FIG. 7B is a cross-sectional view in the X-X ′ direction. As shown in these drawings, the unevenness forming cloth 70 has a plurality of crease peaks 71a and a plurality of crease valleys 71b, which form a plurality of irregular pleats. Although the manufacturing method of this uneven | corrugated fabric is not restrict | limited in particular, For example, the hand pleating method should just be used in the manufacturing method of the said this invention. According to such a method, it is possible to form a natural-feeling wrinkle having an appropriate irregularity.

  In FIG. 8, another example of the uneven | corrugated cloth of this invention is shown. FIG. 8A is a plan view, and FIG. 8B is a cross-sectional view in the X-X ′ direction. As shown in these drawings, the unevenness forming cloth 80 has a plurality of crease peaks 81a and a plurality of crease valleys 81b, which form a plurality of irregular pleats. Although the manufacturing method of this unevenness | corrugation formation cloth is not restrict | limited in particular, For example, in the manufacturing method of the said invention, a wrinkle is formed by the said unevenness | corrugation formation process (B) by hand, Then, in the said heat processing process (A), What is necessary is just to heat with an iron. According to such a method, it is possible to form a wrinkle having an appropriate irregularity and having a natural feeling different from that of the hand pleating method.

  The drawings of the present application described above are merely examples and are schematic diagrams. The uneven pattern or the like in the uneven forming fabric or product of the present application is not limited or limited by these drawings.

  In the present invention, the polyester fiber-containing cloth may contain predegraded fibers as described above. For example, as described above, the polyester-containing core-sheath fiber may be biodegradable. The polyester fiber-containing cloth may include the “other fiber”, and the “other fiber” may be biodegradable. As an advantage of forming irregularities on such a biodegradable fiber-containing cloth, for example, there are the following advantages.

  The cloth or product containing the biodegradable fiber can be biodegraded at the time of disposal to reduce the load on the natural environment. However, at the time of use, it is preferable not to biodegrade very quickly from the viewpoint of durability and the like. In a biodegradable fiber-containing cloth or a product using the same, the causes of biodegradation during use include, for example, moisture, tension, heat, and the like. These problems are particularly noticeable, for example, when the product is clothes. This is because the human body wearing the garment always generates moisture and heat due to sweating and the like, and tension is applied to the garment by the movement of the human body itself. For example, there is a possibility that deterioration due to biodegradation may be a problem, and cuff tears, fraying, etc. may be a problem especially in the side portions where the amount of sweating is large.

  In this regard, the unevenness forming cloth of the present invention and the product using the same are formed with unevenness, and thus, even when biodegradable fibers are included, rapid biodegradation during use is prevented and durable. Excellent in properties. Moreover, since the unevenness forming cloth of the present invention or the product using the same includes the biodegradable fiber, a great load is not imposed on the natural environment at the time of disposal.

  The mechanism by which rapid biodegradation at the time of use is prevented by the formation of the unevenness and the durability and the like are improved is not necessarily clear, but is considered as follows, for example. That is, first, the formation of irregularities reduces the contact area between the fibers and the skin, so that air is trapped between the fabric and the body, and sweat is likely to evaporate. Furthermore, it is thought that the formation of unevenness acts to disperse the tension applied when clothes are attached and detached as compared with the case where unevenness is not formed, and biodegradation is delayed. However, these are examples of mechanisms that can be estimated and do not limit the present invention.

  Furthermore, since the garment of the present invention has irregularities, it is possible to reduce the stuffiness caused by perspiration and to improve the comfort. This is because the evaporation of sweat is promoted by the formation of irregularities as described above.

  According to the present invention, as described above, since the shape of the unevenness can be freely designed or controlled, it is possible to further enhance the effect associated with the formation of the unevenness. For example, if the shape of the unevenness is freely designed or controlled according to the present invention, it is possible to freely produce durability that is preferable as a product, preferable comfort as clothing, and the like according to the shape of the unevenness. Moreover, since the unevenness | corrugation formed is difficult to remove, the effect accompanying uneven | corrugated formation can also be maintained longer.

  Examples of the present invention will be described below. However, the present invention is not limited at all by the following examples.

In the following examples, the following polyester-containing core-sheath fibers were used as the polyester-containing core-sheath fibers unless otherwise specified. In addition, the following “core-sheath ratio (mass): PE / PET = 1/2” indicates that the core of the polyester-containing core-sheath fiber is formed from polyester (PE), and the sheath is formed from polyethylene terephthalate (PET). It represents that the mass ratio of the core and the sheath is 1: 2.
(Polyester-containing core-sheath fiber)
Purchased yarn from Toyota Tsusho Co., Ltd. Product number: L-613
Raw yarn type: SD84T24K110
Core-sheath ratio (mass): PE / PET = 1/2

[Example 1]
First, a woven fabric (manufactured by Kobayashi Toyo Textile Co., Ltd., plain weave) woven using 100% of the polyester-containing core-sheath fiber for both warp and weft was prepared. This woven fabric was heated at 60 ° C. for 5 minutes in atmospheric pressure (heat treatment step (A)). This heating was performed by allowing the knit to stand in a dryer, and no particular humidification was performed during heating. After the heating, the knit was immersed in water at room temperature (a temperature substantially equal to room temperature) and immediately cooled (cooling step (C)). At the same time, the knit was squeezed and shrunk by hand (hand attachment method) to form a heel (unevenness forming step (B)). At this time, the time of squeezing by hand was about 30 seconds, and the immersion time (cooling time) in water was about 10 seconds. In this way, the unevenness forming cloth of this example was manufactured. Concavities and convexities as shown in FIG. 7 were formed on the unevenness forming cloth.

[Example 2]
A weaving cloth similar to that of Example 1 was used except that 100% cotton was used in place of the polyester-containing core-sheath fiber as the weft. Concavities and convexities as shown in FIG. 7 were formed on the unevenness forming cloth.

[Example 3]
A concavo-convex fabric was produced in the same manner as in Example 1 except that the heating temperature in the heat treatment step (A) was 80 ° C. Concavities and convexities as shown in FIG. 7 were formed on the unevenness forming cloth.

[Example 4]
An unevenness forming fabric was produced in the same manner as in Example 2 except that the heating temperature in the heat treatment step (A) was 80 ° C. Concavities and convexities as shown in FIG. 7 were formed on the unevenness forming cloth.

[Example 5]
An unevenness forming fabric was produced in the same manner as in Example 1 except that the heating temperature in the heat treatment step (A) was 95 ° C. Concavities and convexities as shown in FIG. 7 were formed on the unevenness forming cloth.

[Example 6]
An unevenness-formed fabric was produced in the same manner as in Example 2 except that the heating temperature in the heat treatment step (A) was 95 ° C. Concavities and convexities as shown in FIG. 7 were formed on the unevenness forming cloth.

[Example 7]
A concavo-convex forming cloth as shown in FIG. 8 was produced. Specifically, first, the same polyester fiber-containing cloth as that used in Example 1 was prepared. On the other hand, after forming a crease | fold (crease) by hand, it heated with the iron (ironing method). The ironing method was performed by setting the iron temperature to 140 ° C., pressing for 4 to 8 seconds, and then allowing to cool. This pressing and cooling was repeated twice. In this way, an intended uneven forming fabric was obtained.

[Example 8]
A concavo-convex forming cloth as shown in FIG. 5 was produced. Specifically, first, the same polyester fiber-containing cloth as that used in Example 1 was prepared. On the other hand, after temporarily holding at 190 ° C. for 5 seconds with mechanical pleats (machine pleats), it was placed in a steam kettle and heated at 50 ° C. for 5 minutes. Furthermore, the steam was extracted from the steam kettle and evacuated, and the temperature in the steam kettle was set to room temperature (a temperature substantially equal to room temperature) and allowed to stand for 5 minutes. Thereafter, the cloth was taken out from the steam kettle to obtain a target unevenness forming cloth.

[Example 9]
An unevenness-formed cloth was obtained in the same manner as in Example 8 except that the temperature of the temporary press was changed to 150 ° C. instead of 190 ° C., and the heating temperature in the kettle was changed to 102 ° C. instead of 50 ° C.

Table 2 below shows data of the unevenness forming fabrics of Examples 1 to 9. In Table 2 below, “core sheath” represents a polyester-containing core-sheath fiber.

[Test of difficulty in removing irregularities due to washing]
The cloth of each of the examples was washed (washed with water), and the difficulty of removing irregularities was tested by measuring the dimensions before and after washing. That is, first, a detergent was dissolved in water at about the same temperature as room temperature (about 20 ° C.), and the cloths of the respective examples were washed in a washing machine for 5 minutes. Then, it processed in order of spin-drying | dehydration, rinse, spin-drying | dehydration, rinse, spin-drying | dehydration, and washing was completed. The time taken for all steps from washing to final dehydration was 15 minutes. Moreover, instead of washing with water, washing with hot water was also performed. The hot water washing was performed in the same manner as the water washing except that 40 ° C. lukewarm water was used instead of water having the same temperature as the room temperature. As a result, in Example 8 (the heating temperature in the heat treatment step (A) was 50 ° C.), some looseness (elongation) of the unevenness was observed by washing with water, but the unevenness was formed even after washing. In the other examples (the heating temperature in the heat treatment step (A) was 60 ° C. or higher), even after washing, there was no looseness (elongation) of the unevenness, and unevenness was formed without changing from before washing. In particular, there was no looseness (elongation) of unevenness not only after washing with water but also after washing with hot water.

[Example 10]
Clothes (blouses) were prepared using the uneven forming fabric of Example 9. Similar to the concavo-convex fabric of Example 9, this garment had no unevenness (elongation) even after washing, and was uneven as it was before washing.

  As described above, according to the present invention, it is possible to provide a method for producing a concavo-convex-formed cloth that can form concavo-convex on a cloth containing polyester fibers even at low temperatures, a concavo-convex-formed cloth, and a product using the same. In addition, according to the manufacturing method of the present invention, since the unevenness is formed by applying force to the polyester fiber-containing cloth, the shape of the unevenness can be freely designed or controlled by designing or controlling how to apply the force. Is possible. That is, according to the present invention, it is possible to manufacture a concavo-convex forming cloth whose concavo-convex shape is freely designed or controlled.

  According to the present invention, for example, by using a polyester fiber-containing cloth in which natural fibers, biodegradable fibers, biomass plastic fibers, etc. are mixed, the texture of the natural fibers is not impaired, and the polyester has excellent characteristics. An unevenness forming cloth can also be provided. If the unevenness forming cloth of the present invention contains biodegradable fibers, it is possible to reduce the load on the natural environment at the time of disposal. The unevenness forming fabric of the present invention is clothing, clothes, kimono, kimono, gloves, socks, socks, underwear, underwear, shirt, cardigan, tank top, skirt, hat, nightclothes, stockings, scarf, children's clothing, covering, It can be used for miscellaneous goods, bedding, cushions, interior miscellaneous goods, bags, handbags, corsages, art flowers, or tapestry, and is not limited to these, and can be used for any product.

10 Polyester-containing core-sheath fiber 11 Core 12 Sheath 20, 50, 60, 70, 80 Concavity and convexity forming fabric 21a Protrusion 21b Crease ridge 21c Crease valley 30, 40 Clothes 31, 41, 42 Protrusion 51a, 71a, 81a Crease ridge 51b 71b, 81b Crease valley 61a Shibo mountain 61b Shibo valley

Claims (14)

A method for producing a concavo-convex forming cloth in which concavo-convex is formed on a fiber-containing cloth,
The fiber-containing cloth is a polyester fiber-containing cloth,
The polyester fiber-containing cloth includes a polyester-containing core-sheath fiber,
The polyester-containing core-sheath fiber is formed from a core and a sheath surrounding the core,
The core is formed from polyolefin; the sheath is formed from polyester;
The manufacturing method includes the following steps (A) to (C):
In at least one selected from the group consisting of the following irregularity forming step (B) before the following heat treatment step (A), simultaneously with the following heat treatment step (A), and after the following heat treatment step (A) The manufacturing method characterized by performing.
(A) The process of heat-treating the polyester fiber-containing cloth (B) The process of applying a force to the polyester fiber-containing cloth to form irregularities (C) The process of cooling the polyester fiber-containing cloth   The unevenness is at least one selected from the group consisting of wrinkles, creases, folds, embossed patterns, crush patterns, drawn patterns, waves, pleats, hand-rubbed patterns, washer patterns, wash patterns, ripple patterns, and vacuum patterns. The manufacturing method according to claim 1.   The production method according to claim 1 or 2, wherein the polyolefin in the polyester-containing core-sheath fiber is at least one of polyethylene and polypropylene.   The polyester in the polyester-containing core-sheath fiber is at least one selected from the group consisting of polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate, polyethylene naphthalate, and polyethylene naphthalate. The manufacturing method according to claim 1. The fiber-containing cloth further includes other fibers other than the polyester-containing core-sheath fiber,
The manufacturing method according to any one of claims 1 to 4, wherein the other fiber is at least one of a natural fiber and a synthetic fiber.   The manufacturing method according to any one of claims 1 to 5, wherein the fiber-containing fabric is a knitted fabric, a knit fabric, a woven fabric, a nonwoven fabric, a lace, or a felt.   The production according to any one of claims 1 to 6, wherein a heating temperature in the heat treatment step (A) is equal to or higher than a glass transition temperature of a fiber having the lowest glass transition temperature among fibers forming the fiber-containing cloth. Method. The heating temperature in the heat treatment step (A) is equal to or higher than the glass transition temperature of the fiber having the highest glass transition temperature among the fibers forming the fiber-containing cloth, and most of the fibers forming the fiber-containing cloth. The manufacturing method according to any one of claims 1 to 7, wherein the melting point is equal to or lower than the melting point of the fiber having a low melting point.   The manufacturing method according to any one of claims 1 to 8, wherein a heating temperature in the heat treatment step (A) is equal to or higher than a glass transition temperature of the polyolefin in the polyester-containing core-sheath fiber.   The manufacturing method according to any one of claims 1 to 9, wherein a heating temperature in the heat treatment step (A) is not higher than a melting point of the polyolefin in the polyester-containing core-sheath fiber.   The manufacturing method according to any one of claims 1 to 10, wherein a heating temperature in the heat treatment step (A) is 40 ° C or higher and 200 ° C or lower.   The unevenness forming method in the unevenness forming step (B) is a handing method, a machine setting method, an ironing method, a hand pleating method, a machine pleating method, a drawing method, a mechanical drawing method, a hand drawing method, a plate fastening method, Method using thread, steam kettle method, steam pressure kettle method, hot water bath method, shrink yarn method, high pressure dyeing kettle (pressure dyeing kettle) method, embossing method, crush method, wave method, hand kneading method, washer method, washing method, The manufacturing method according to any one of claims 1 to 11, which is at least one selected from the group consisting of a ripple method and a vacuum method.   The uneven | corrugated formation cloth manufactured by the manufacturing method as described in any one of Claims 1-12.   A product comprising the unevenness forming fabric according to claim 13, clothing, clothes, Japanese clothes, kimono, gloves, socks, socks, underwear, underwear, shirt, cardigan, tank top, skirt, hat, nightclothes, stockings, scarf Products that are children's clothing, coverings, miscellaneous goods, bedding, cushions, interior miscellaneous goods, bags, handbags, corsages, art flowers, or tapestry.

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